1. The pressure of 5.85 L of an ideal gas in a flexible container is decreased...

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Chemistry

1. The pressure of 5.85 L of an ideal gas in a flexiblecontainer is decreased to one-third of its original pressure, andits absolute temperature is decreased by one-half. What is thefinal volume of the gas?

2. A piece of sodium metal reactscompletely with water as follows:

2Na(s) + 2H2O(l) → 2NaOH(aq) +H2(g)


The hydrogen gas generated is collected over water at27.0°C. The volume of the gas is 175 mL measured at0.969 atm. Calculate the number of grams of sodium used in thereaction. (The vapor pressure of water at 27.0°C =0.0352 atm.)

Answer & Explanation Solved by verified expert
4.4 Ratings (628 Votes)
1 we know the equationP1V1T1 P2V2T2 whereP1 initial pressure consider xV1 initial volume 585 LT1 initial tempreture consider yP2 final presssure x3V2 final volume T2 final tempreture y2we can write    See Answer
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